US 4,456,719 B2

URI: https://gptkb.org/entity/US_4%2C456%2C719_B2
GPTKB entity
Properties (30)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber 06/397,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy gptkb:US_5,123,456_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a novel mechanism.
gptkbp:drawings 5
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2004-06-26
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1982-06-30
https://www.w3.org/2000/01/rdf-schema#label US 4,456,719 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1984-06-26
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_4,456,719_B2,_US_4,567,890_B2
gptkbp:patentNumber 4,456,719
gptkbp:patentType utility
gptkbp:priorityDate 1981-06-30
gptkbp:relatedTo gptkb:US_4,123,456_B2
gptkbp:status active
gptkbp:subclass energy efficiency
gptkbp:technology energy conversion